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I am creating a project for my studies which is based upon a trading system.
This trading system is using some moving averages to decide when to buy or sell a stock.
The language that I will use is java.
My question is whether I should use a 3rd party library (like JFreeChart) or should I try to build the whole application on my own (I have some java swing experience)?
Thank you.
If there is something which already does what you need, you should really use that in the first place.
Creating your own, is usually not advisable since using 3rd party applications will mean that you will be using something which is already tested and has lots of more features.
Using a 3rd party API will save you time, time which you can than invest into other aspects of your project (communities always tend to make life simpler).
A few more points I thought I should mention is that although developing everything yourself is usually a great (if not the best) way of learning things, I think that employers tend to prefer it when people are already familiar with certain 3rd party popular API’s.